Wednesday's Movie Mashup No. 15

He's back!  Hatter got to the clue first, though the rest of the world had a headstart.  He liked it so much he had his own day of playing the game with dozens of clues.  Check 'em out here.

Last week's clue: A wizard battles a young enemy and a woman seeks her birth mother, with unsettling results.
Answer: Harry Potter and the Chamber of Secrets and Lies

Leader board
Hatter - 8
David - 3
Sebastian - 1
Andrew - 1 
Rachel - 1
James - 1

New Clue: A woman with an ABBA obsession has to deal with two guys who don't belong at her party.

The goal is to figure out the two movies who overlap in some words creating a new movie described by the clue.  Leave your answer in the comments. Good luck!